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11Alexandr11 [23.1K]
3 years ago
8

An altitude is drawn from the vertex of an isosceles triangle, forming a right angle

Mathematics
1 answer:
Leni [432]3 years ago
6 0

Answer:

P = 63.6 inches

Step-by-step explanation:

you need to find the length of the third side:

9² + 21² = c²

81 + 441 = c²

c² = 522

c = \sqrt{522}

c ≈ 22.8

P = 18 + 2(22.8)

P = 63.6 inches

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Which of the following graph represents the solution set for 5x+38 ≤ 4(2-5x)
Dvinal [7]

Answer:

Option C

Step-by-step explanation:

Given inequality is,

5x + 38 ≤ 4(2 - 5x)

5x + 38 ≤ 8 - 20x [Distributive property]

5x + 20x + 38 ≤ 8 - 20x + 20x [By adding 20x on both the sides of the inequality]

25x + 38 ≤ 8

(25x + 38) - 38 ≤ 8 - 38 [By subtracting 38 on both the sides of the inequality]

25x ≤ -30

\frac{25x}{25}\leq -\frac{30}{25} [Dividing by 25 on both the sides of the inequality]

x ≤ 1.2

Therefore, Option (C) will be the correct graph.

7 0
3 years ago
Show your full solution
alex41 [277]

Answer:

1.the square pan is larger by 12 inches

40 cm^2

Step-by-step explanation:

The difference in size can be determined by calculating the difference between the perimeter of the square pan and the circumference of a circle

perimeter of a square = 4 x length

14 x 4 = 56 inches

Circumference of a circle = πD = (22/7) x 14 = 44 inches

Difference in size = 56 - 44 = 12 inches

Area of a rectangle = length x width

10 x 4 - 40 cm^2

3 0
3 years ago
-7x + (-3x) + (-x)= how do i solve this
viva [34]

Answer:

-11x

Step-by-step explanation:

-7x + (-3x) + (-x)

= -7x - 3x - x

=-11x

3 0
3 years ago
Write an expression for the measurement of angle L using the measurement of angle C found in part C
kap26 [50]

Answer:

180’ - 130’

Step-by-step explanation:

3 0
3 years ago
Please help me solve---- -20-(4x-1)=-15
nikklg [1K]
I hope this helps you -20-(4x-1)=-15 -20-4x+1=-15 -20+1+15=4x -4=4x x=-1
7 0
3 years ago
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